Universal Licensing System
WPRX472
Day Management Corp. dba Day Wireless Systems
License details
| ULS identifier | 1948641 |
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| Call sign | WPRX472 |
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| Radio service | GU |
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| Status | A |
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| Grant date | 2020-12-24 |
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| Expiration | 2031-03-09 |
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| Frequency range | 897.2125 - 936.2125 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | SOUTH SAN FRANCISCO, SAN MATEO, CA |
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| Coordinates | 37.6891111, -122.4366389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:12:35 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 4 | 1 | MO | 897.21250000 | | | 35.000000 | 35.000000 | |
| 5 | 1 | FX1 | 897.21250000 | | | 35.000000 | 70.000000 | |
| 1 | 1 | FB2 | 936.21250000 | | | 100.000000 | 35.000000 | |
| 2 | 1 | FB2 | 936.21250000 | | | 100.000000 | 35.000000 | |
| 3 | 1 | FB2 | 936.21250000 | | | 75.000000 | 300.000000 | |
| 4 | 1 | MO | 936.21250000 | | | 35.000000 | 35.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 4 | 1 | 897.21250000 | | 13K6F3E |
| 5 | 1 | 897.21250000 | | 13K6F3E |
| 1 | 1 | 936.21250000 | | 13K6F3E |
| 2 | 1 | 936.21250000 | | 13K6F3E |
| 3 | 1 | 936.21250000 | | 13K6F3E |
| 4 | 1 | 936.21250000 | | 13K6F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SAN BRUNO MOUNTAIN, SOUTH SAN FRANCISCO, SAN MATEO, CA | 37.68911111, -122.43663889 | 368.800 m | TOWER | 85.000 m structure / 85.000 m overall | |
| 2 | T | MOUNT DIABLO STATE PARK 9 MI E, WALNUT CREEK, CONTRA COSTA, CA | 37.88158333, -121.91913889 | 1091.100 m | TOWER | 80.700 m structure / 86.800 m overall | |
| 3 | T | BLACK MOUNTAIN, PALO ALTO, SANTA CLARA, CA | 37.31883333, -122.14691667 | 856.000 m | TOWER | 37.000 m structure / 37.000 m overall | |
| 4 | T | | | | | | |
| 5 | T | CA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 67.000 m | | | | 72.000 | |
| 1 | 2 | T | | 51.000 m | | | | 913.000 | |
| 1 | 3 | T | | 37.000 m | | | | 585.000 | |
| 1 | 4 | | | | | | | | |
| 1 | 5 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 3 | 4420 The 25 Way, Albuquerque, NM | BERNALILLO | 5057244000 |
| 4 | 6820 Bermuda Road, Las Vegas, NV | CLARK | 7022693600 |
License history
| Date | File or call sign | Action |
|---|
| 2024-05-21 | WPRX472 | LIAUA |
| 2020-12-24 | WPRX472 | LIREN |
| 2020-12-14 | WPRX472 | LETRES |
| 2018-10-04 | WPRX472 | LIASS |
| 2013-01-08 | WPRX472 | LIAUA |
| 2013-01-08 | WPRX472 | LTSAPR |
| 2012-05-04 | WPRX472 | LTSAPR |
| 2012-05-04 | WPRX472 | LIAUA |
| 2011-03-24 | WPRX472 | AUTHPR |
| 2011-03-12 | WPRX472 | LIREN |
| 2010-12-13 | WPRX472 | LETRES |
| 2009-09-16 | WPRX472 | LIAUA |
| 2009-09-16 | WPRX472 | LTSAPR |
| 2002-07-20 | WPRX472 | LIAUA |
| 2002-07-04 | WPRX472 | LIAUA |
| 2001-03-09 | WPRX472 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1948641 | 2026-08-02 01:12:35 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPRX472 | ULS 1948641 | 2026-08-02 01:12:35 |
| Status | A | ULS 1948641 | 2026-08-02 01:12:35 |
| Service | GU | ULS 1948641 | 2026-08-02 01:12:35 |
| Grant Date | 2020-12-24 | ULS 1948641 | 2026-08-02 01:12:35 |
| Expiration Date | 2031-03-09 | ULS 1948641 | 2026-08-02 01:12:35 |